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Schlieren visualization of a GDI spray impacting on a heated wall: Non-vaporizing and vaporizing evolutions

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  • Allocca, L.
  • Lazzaro, M.
  • Meccariello, G.
  • Montanaro, A.

Abstract

The DI (Direct Injection) in SI (Spark Ignition) engines is rapidly developing and seems very attractive offering the possibility of multi-mode operation, homogeneous and stratified charge, with valuable benefits respect to conventional PFI (Port Fuel Injection). One of the major drawbacks of the GDI-fueled engine is the impingement of liquid fuel on the combustion chamber walls that generally produces an increasing of HC emissions and detrimental effects on the combustion process, like soot formation in the wall guided engines due to the diffusive combustion of fuel film deposits on the piston head.

Suggested Citation

  • Allocca, L. & Lazzaro, M. & Meccariello, G. & Montanaro, A., 2016. "Schlieren visualization of a GDI spray impacting on a heated wall: Non-vaporizing and vaporizing evolutions," Energy, Elsevier, vol. 108(C), pages 93-98.
    • Handle: RePEc:eee:energy:v:108:y:2016:i:c:p:93-98
    DOI: 10.1016/j.energy.2015.09.107
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    References listed on IDEAS

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    Cited by:

    1. Shi, Lei & Ji, Changwei & Wang, Shuofeng & Su, Teng & Cong, Xiaoyu & Wang, Du & Tang, Chuanqi, 2019. "Effects of second injection timing on combustion characteristics of the spark ignition direct injection gasoline engines with dimethyl ether enrichment in the intake port," Energy, Elsevier, vol. 180(C), pages 10-18.
    2. Song, Jingeun & Lee, Ziyoung & Song, Jaecheon & Park, Sungwook, 2018. "Effects of injection strategy and coolant temperature on hydrocarbon and particulate emissions from a gasoline direct injection engine with high pressure injection up to 50 MPa," Energy, Elsevier, vol. 164(C), pages 512-522.
    3. Liu, Yi & Pei, Yiqiang & Wang, Chenxi & Guo, Ruitao & Xu, Bei, 2019. "Characteristics of the deposited fuel liquid film when GDI spray impacts viscous oil film," Energy, Elsevier, vol. 188(C).

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